Dell OptiPlex 3000 Tower Service Manual page 21

Steps
1. Disconnect the hard drive data and power cables from the connectors on the 2.5-inch hard drive modules.
2. Press the release tabs on both the sides of the hard drive bracket to release it from the slots on the computer chassis.
3. Tilt the hard drive assembly slightly at an angle.
4. Lift the hard drive assembly from the computer.
NOTE: Note the orientation of the hard drive so that you can replace it correctly.
Removing and installing components 21